docs: def _draw_image(self, ci):
          """
          Draw image object to reportlabs canvas.
  
          :param ci: CanvasImage object
          """
          img = img_adjust(ci.image, ci.opacity, tempdir=self.dir)
          self.can.drawImage(img, x=ci.x, y=ci.y, width=ci.w, height=ci.h, mask=ci.mask,
                             preserveAspectRatio=ci.preserve_aspect_ratio, anchorAtXY=True)